# Add Watermark vs Open Sync

The clearest difference is in-app purchases: Open Sync at none against Add Watermark's 3. Open Sync also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Add Watermark sells 3 in-app purchases, starting at $6.99 per month. Open Sync asks for nothing beyond the download.

## The numbers

| Metric | Add Watermark | Open Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5.9K ratings)](https://appshunter.io/ios/app/add-watermark-batch-process/id1401798417/reviews)** | — |
| Number of ratings | **5.9K** | — |
| Positive reviews | 83.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 121 MB | 33 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Saraswati Javalkar](https://appshunter.io/developer/1305053157) | [Wenalyze S.L.](https://appshunter.io/developer/1849202852) |

## What reviewers say

### Add Watermark

[App page](https://appshunter.io/ios/app/add-watermark-batch-process/id1401798417)

Protect your photos and videos from unauthorized use by adding custom watermarks. This app offers batch processing, allowing you to watermark hundreds of files at once. Create personalized text or image-based watermarks with precise positioning and a variety of fonts and patterns.

**Highlights:** Create and save custom watermarks, Batch process hundreds of files, Preview and adjust watermarks, Custom text and image watermarks, Pixel-perfect positioning, Copyright and trademark symbols

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add Watermark - Monthly | $6.99 | per month |
| Add Watermark - Yearly | $39.99 | per year |
| Add Watermark - One Time | $99.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 🚀 Batch processing
- 🚀 Customizable watermarks
- 👍 User-friendly interface
- 👍 Effective for protecting images

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🐛 Watermark quality issues
- 🔒 Lack of transparency on free version limits
- 🔋 High battery consumption
- 💡 Limited font and design options

**Reported bugs**

- App crashes on launch
- Watermarks not saving properly
- Compatibility issues with newer OS versions

**Requested features**

- Allow saving custom watermarks
- Add more font and design options
- Improve syncing across devices
- Provide more transparency on free version limits


### Open Sync

[App page](https://appshunter.io/ios/app/open-sync/id6764025267)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Add Watermark free?

Add Watermark is free to download, with in-app purchases available.

### Is Open Sync free?

Open Sync is free to download, with no in-app purchases.

### Do Add Watermark or Open Sync have ads?

Add Watermark shows ads; Open Sync does not.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*